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Given two Quadratic Function y_1, and y_2. When x=a (a>0), y_1 reaches its maximum value of 5, and y_2=25; y_2's minimum value is -2. If y_1+y_2=x^2+16x+13. please determine the value of a, and y_1  y_2 expression.

 Sep 18, 2018
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a = 15.

 Dec 4, 2019

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